| Newton Whiting Gilbert | |
| Order: | 25th |
| Office: | Lieutenant Governor of Indiana |
| Term Start: | January 11, 1901 |
| Term End: | January 14, 1905 |
| Governor: | Winfield T. Durbin |
| Predecessor: | William S. Haggard |
| Successor: | Hugh Thomas Miller |
| State1: | Indiana |
| District1: | 12th |
| Term Start1: | March 4, 1905 |
| Term End1: | November 6, 1906 |
| Preceded1: | James M. Robinson |
| Succeeded1: | Clarence C. Gilhams |
| Office2: | Member of the Indiana Senate |
| Term2: | 1896-1900 |
| Birth Date: | May 24, 1862 |
| Birth Place: | Worthington, Ohio, U.S. |
| Death Date: | July 5, 1939 (aged 77) |
| Death Place: | Santa Ana, California, U.S. |
| Restingplace: | Circle Hill Cemetery, Angola, Indiana |
| Party: | Republican Party |
Newton Whiting Gilbert (May 24, 1862 – July 5, 1939) was an American politician from Indiana.
He was the 25th lieutenant governor of Indiana, a member of the Indiana State Senate, a representative in the United States House of Representatives, and an acting governor-general of the Philippines from September 1, 1913, to October 6, 1913.[1] He served on the Philippine Commission, the appointed upper house of the Philippine Legislature of the American colonial Insular Government of the Philippines.